
Sierra 18-1974-1 Marine Manifold Elbow for Mercruiser Stern
Drive Features:
- Durable construction
- Non-corrosive
- Hard-wearing parts and components
- Use with:
- 18-0672: Exhaust Elbow Gasket
- 18-0897: Exhaust Elbow Gasket
- 18-1957-1: Manifold
- 18-2849-1: Exhaust Elbow Gasket
- 18-8529: Exhaust Elbow Mounting Kit
- 18-1953-2: Manifold
- 18-8554: Exhaust Elbow Mounting Kit
- Replaces:
- Osco 8502
- Barr MC-20-98502
- Mallory 9-40554
- Mercury Marine 98502A2












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